Class: SeeingIsBelieving::EventStream::Producer
- Inherits:
-
Object
- Object
- SeeingIsBelieving::EventStream::Producer
- Defined in:
- lib/seeing_is_believing/event_stream/producer.rb
Defined Under Namespace
Modules: NullQueue
Constant Summary collapse
- StackErrors =
[SystemStackError]
Instance Attribute Summary collapse
-
#filename ⇒ Object
Returns the value of attribute filename.
-
#max_line_captures ⇒ Object
Returns the value of attribute max_line_captures.
-
#version ⇒ Object
(also: #ver)
readonly
Returns the value of attribute version.
Instance Method Summary collapse
- #finish! ⇒ Object
-
#initialize(resultstream) ⇒ Producer
constructor
A new instance of Producer.
-
#record_exception(line_number, exception) ⇒ Object
records the exception, returns the exitstatus for that exception.
- #record_exec(args) ⇒ Object
- #record_filename(filename) ⇒ Object
- #record_max_line_captures(max_line_captures) ⇒ Object
- #record_num_lines(num_lines) ⇒ Object
- #record_result(type, line_number, value) ⇒ Object
- #record_ruby_version(ruby_version) ⇒ Object
- #record_sib_version(sib_version) ⇒ Object
Constructor Details
#initialize(resultstream) ⇒ Producer
Returns a new instance of Producer.
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 18 def initialize(resultstream) resultstream = Safe::Stream[resultstream] self.filename = nil self.max_line_captures = Float::INFINITY self.recorded_results = [] self.queue = Safe::Queue[Queue.new] self.producer_thread = Safe::Thread[ build_producer_thread(resultstream) ] end |
Instance Attribute Details
#filename ⇒ Object
Returns the value of attribute filename.
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 16 def filename @filename end |
#max_line_captures ⇒ Object
Returns the value of attribute max_line_captures.
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 16 def max_line_captures @max_line_captures end |
#version ⇒ Object (readonly) Also known as: ver
Returns the value of attribute version.
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 29 def version @version end |
Instance Method Details
#finish! ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 110 def finish! queue << :break # note that consumer will continue reading until stream is closed producer_thread.join end |
#record_exception(line_number, exception) ⇒ Object
records the exception, returns the exitstatus for that exception
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 75 def record_exception(line_number, exception) return exception.status if SystemExit === exception exception = Safe::Exception[exception] if !line_number && filename begin line_number = exception.backtrace.grep(/#{filename}/).first[/:\d+/][1..-1].to_i rescue NoMethodError end end line_number ||= -1 queue << Safe::Array[[ "exception", Safe::Fixnum[line_number], to_string_token(exception.class.name), to_string_token(exception.), Safe::Fixnum[ Safe::Array[exception.backtrace].size ], *Safe::Array[exception.backtrace].map { |line| to_string_token line } ]].join(" ") 1 # exit status end |
#record_exec(args) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 102 def record_exec(args) queue << "exec #{to_string_token args.inspect}" end |
#record_filename(filename) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 97 def record_filename(filename) self.filename = filename queue << "filename #{to_string_token filename}" end |
#record_max_line_captures(max_line_captures) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 40 def record_max_line_captures(max_line_captures) self.max_line_captures = max_line_captures queue << "max_line_captures #{max_line_captures}" end |
#record_num_lines(num_lines) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 106 def record_num_lines(num_lines) queue << "num_lines #{num_lines}" end |
#record_result(type, line_number, value) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 47 def record_result(type, line_number, value) counts = recorded_results[line_number] ||= Safe::Hash.new(0) count = counts[type] recorded_results[line_number][type] = count.next if count < max_line_captures begin if block_given? inspected = yield(value).to_str else inspected = value.inspect.to_str end rescue *StackErrors # this is necessary because SystemStackError won't show the backtrace of the method we tried to call # which means there won't be anything showing the user where this came from # so we need to re-raise the error to get a backtrace that shows where we came from # otherwise it looks like the bug is in SiB and not the user's program, see https://github.com/JoshCheek/seeing_is_believing/issues/37 raise SystemStackError, "Calling inspect blew the stack (is it recursive w/o a base case?)" rescue Exception inspected = "#<no inspect available>" end queue << "result #{line_number} #{type} #{to_string_token inspected}" elsif count == max_line_captures queue << "maxed_result #{line_number} #{type}" end value end |
#record_ruby_version(ruby_version) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 36 def record_ruby_version(ruby_version) queue << "ruby_version #{to_string_token ruby_version}" end |
#record_sib_version(sib_version) ⇒ Object
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# File 'lib/seeing_is_believing/event_stream/producer.rb', line 31 def record_sib_version(sib_version) @version = sib_version queue << "sib_version #{to_string_token sib_version}" end |